期刊
POULTRY SCIENCE
卷 99, 期 9, 页码 4530-4538出版社
ELSEVIER
DOI: 10.1016/j.psj.2020.06.011
关键词
Trichosporon; chicken; Chinese herbal medicine; protection and treatment
资金
- Fund for Scientific Research and Development of Agricultural University of Hebei [JY2018005]
In this study, a strain of Trichosporon was isolated from white pseudomembranes and ulcers formed on mucous membranes of pigeon bursas and was identified through gene sequencing. Bacteriostatic actions of Acorus gramineus, Sophora flavescens, Polygonum hydropiper, and Chinese herbal mixture on this species were explored in vitro, and the minimum inhibitory concentration of herbal medicines against Trichosporon was determined through microdilution method. Therapeutic effects of herbal medicines on chickens infected by Trichosporon were studied, whose results showed that minimum inhibitory concentration of A. gramineus was 32 mu g/mu L, that of S. flavescens was 2 mu g/mu L, that of P. hydropiper was 120 mu g/mu L, and that of Chinese herbal mixture was 36 mu g/mu L. Antibacterial effects of S. flavescens were the best. In accordance with animal experiments, therapeutic effects of Chinese herbal medicines on infected chickens were better than those of fluconazole. The mortality rate of the Chinese herbal medicine treatment group was 33.33%, that of the fluconazole treatment group was 46.67%, and that of the Chinese medicine protection group was 23.33%. The longer the time of Chinese medicine treatments was, the better the treatment effects would be. Glutamic oxaloacetylase values of the serum and liver in the Chinese herbal medicine treatment group were both significantly lower than those of the nontreatment group. From the results, it can be seen that A. gramineus, S. flavescens, P. hydropiper, and Chinese herbal mixture have certain inhibitory effects on Trichosporon spp. Chinese herbal medicine protections in advance could reduce Trichosporon infections.
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